Global Patent Index - EP 1604839 A4

EP 1604839 A4 20080213 - PNEUMATIC TIRE AND METHOD OF MOUNTING THE SAME

Title (en)

PNEUMATIC TIRE AND METHOD OF MOUNTING THE SAME

Title (de)

LUFTREIFEN UND BEFESTIGUNGSVERFAHREN DAFÜR

Title (fr)

PNEUMATIQUE ET SON PROCEDE DE MONTAGE

Publication

EP 1604839 A4 20080213 (EN)

Application

EP 04720253 A 20040312

Priority

  • JP 2004003320 W 20040312
  • JP 2003070250 A 20030314
  • JP 2003387632 A 20031118

Abstract (en)

[origin: WO2004080730A1] Run-flat tires capable of effectively improving run-flat durability without sacrificing riding comfortableness in normal running under normal inner pressure, the run-flat tire of a first invention wherein a belt (8) formed of at least one sheet of cord rubber coated layer is installed between the crown part of a carcass (7) formed of at least one ply extending in toroidal shape to bead parts (3), side wall parts (4), and a tread part (5) and the tread part (5), reinforcement rubbers (11) of generally crescent shape in cross section are installed at least on the inner surface sides of the side wall parts (4), and ring-shaped rim guard parts (13) projected toward the lateral outside of the tire are installed on the outer surfaces of the tire just above rim flanges (Rf), characterized in that the rim guard parts (13) are formed of hard rubber, and the 100% modulus of the hard rubber is 3.0 MPa or higher and within two to five times the 100% modulus of skin rubber (14) forming the side wall parts (4).

IPC 1-7

B60C 17/00; B60C 9/22; B60C 15/00; B60C 15/02; B60C 15/06

IPC 8 full level

B60C 15/024 (2006.01); B60C 17/00 (2006.01)

CPC (source: EP US)

B60C 15/024 (2013.01 - EP); B60C 17/0009 (2013.01 - EP); Y10T 152/10846 (2015.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 1604839 A1 20051214; EP 1604839 A4 20080213; US 2006162836 A1 20060727; WO 2004080730 A1 20040923

DOCDB simple family (application)

EP 04720253 A 20040312; JP 2004003320 W 20040312; US 54927405 A 20050913